func (c *ClientConn) buildSimpleShowResultset(values []interface{}, name string) (*mysql.Resultset, error) {
r := new(mysql.Resultset)
field := &mysql.Field{}
field.Name = hack.Slice(name)
field.Charset = 33
field.Type = mysql.MYSQL_TYPE_VAR_STRING
r.Fields = []*mysql.Field{field}
var row []byte
var err error
for _, value := range values {
row, err = formatValue(value)
if err != nil {
return nil, err
}
r.RowDatas = append(r.RowDatas,
mysql.PutLengthEncodedString(row))
}
return r, nil
}
func (c *ClientConn) buildResultset(fields []*mysql.Field, names []string, values [][]interface{}) (*mysql.Resultset, error) {
var ExistFields bool
r := new(mysql.Resultset)
r.Fields = make([]*mysql.Field, len(names))
//use the field def that get from true database
if len(fields) != 0 {
if len(r.Fields) == len(fields) {
ExistFields = true
} else {
return nil, errors.ErrInvalidArgument
}
}
var b []byte
var err error
for i, vs := range values {
if len(vs) != len(r.Fields) {
return nil, fmt.Errorf("row %d has %d column not equal %d", i, len(vs), len(r.Fields))
}
var row []byte
for j, value := range vs {
//列的定义
if i == 0 {
if ExistFields {
r.Fields[j] = fields[j]
} else {
field := &mysql.Field{}
r.Fields[j] = field
field.Name = hack.Slice(names[j])
if err = formatField(field, value); err != nil {
return nil, err
}
}
}
b, err = formatValue(value)
if err != nil {
return nil, err
}
row = append(row, mysql.PutLengthEncodedString(b)...)
}
r.RowDatas = append(r.RowDatas, row)
}
//assign the values to the result
r.Values = values
return r, nil
}
func (c *ClientConn) buildSimpleSelectResult(value interface{}, name []byte, asName []byte) (*mysql.Resultset, error) {
field := &mysql.Field{}
field.Name = name
if asName != nil {
field.Name = asName
}
field.OrgName = name
formatField(field, value)
r := &mysql.Resultset{Fields: []*mysql.Field{field}}
row, err := formatValue(value)
if err != nil {
return nil, err
}
r.RowDatas = append(r.RowDatas, mysql.PutLengthEncodedString(row))
return r, nil
}
func (c *ClientConn) buildResultset(names []string, values [][]interface{}) (*mysql.Resultset, error) {
r := new(mysql.Resultset)
r.Fields = make([]*mysql.Field, len(names))
var b []byte
var err error
for i, vs := range values {
if len(vs) != len(r.Fields) {
return nil, fmt.Errorf("row %d has %d column not equal %d", i, len(vs), len(r.Fields))
}
var row []byte
for j, value := range vs {
//列的定义
if i == 0 {
field := &mysql.Field{}
r.Fields[j] = field
field.Name = hack.Slice(names[j])
if err = formatField(field, value); err != nil {
return nil, err
}
}
b, err = formatValue(value)
if err != nil {
return nil, err
}
row = append(row, mysql.PutLengthEncodedString(b)...)
}
r.RowDatas = append(r.RowDatas, row)
}
return r, nil
}